Home / 16,272.32-22,456.77-9,199.40

Finding the Fourth Proportional to 16,272.32, 22,456.77 and 9,199.40

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Solution

The fourth proportional to 16,272.32, 22,456.77 and 9,199.40 is: 12,695.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,272.32 : 22,456.77 = 9,199.40 : x
  2. Step 2: Convert to fraction form
    16,272.32/22,456.77 = 9,199.40/x
  3. Step 3: Cross multiply
    16,272.32x = 22,456.77 × 9,199.40
  4. Step 4: Simplify right side
    16,272.32x = 206,588,809.94
  5. Step 5: Solve for x
    x = 206,588,809.94/16,272.32
  6. Step 6: Final answer
    x = 12,695.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.